Grade 7 HMH Go Math - Answer Keys Answer keys Chapter 4: Rates and Proportionality; MODULE QUIZ

Grade 7 HMH Go Math - Answer Keys

Chapter 4: Rates and Proportionality; MODULE QUIZ

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4.1 Unit Rates

Find each unit rate. Round to the nearest hundredth, if necessary.

Circle the better deal in each pair. Then give the unit rate for the better deal.

Question 3 (request help)
$\large\frac{$56}{25\text{ gal}}\text{ or }\large\frac{$32.05}{15\text{ gal}}$

Question 4 (request help)
$\large\frac{$160}{5\text{ g}}\text{ or }\large\frac{$315}{9\text{ g}}$

4.2 Constant Rates of Change

Question 5 (request help)
The table shows the amount of money Tyler earns for mowing lawns. Is the relationship a proportional relationship? Why or why not?

Question 6 (request help)
On a recent day, 8 euros were worth $9 and 24 euros were worth $27. Write an equation of the form y = kx to show the relationship between the number of euros and the value in dollars.

4.3 Proportional Relationships and Graphs

Question 7 (request help)
The graph shows the number of servings in different amounts of frozen yogurt listed on a carton. Write an equation that gives the number of servings y in x pints.
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Question 8 (request help)
A refreshment stand makes 2 large servings of frozen yogurt from 3 pints. Add the line to the graph and write its equation.
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Essential Question

Question 9 (request help)
How can you use rates to determine whether a situation is a proportional relationship?
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